[. . . ] ® Microwave Hood Combination PRODUCT DIMENSIONS MH2175XS WMH1162XV WMH1163XV WMH1164XV WMH1164XW WMH2175XV WMH2205XV WMH3205XV PRODUCT MODEL NUMBERS GMH3174XV GMH3204XV GMH5184XV GMH5205XV GMH6185XV MH1160XS MH1170XS MH1171XV 17 " (43. 8 cm) 16 " (41. 3 cm) Electrical: A 120-Volt, 60-Hz, AC-only, 15- or 20-amp fused electrical supply with a fuse or circuit breaker. [. . . ] See the following examples: A B C 15 " (40 . 0 c m) ' " (76. 0 cm) CABINET OPENING DIMENSIONS The grounded 3-prong outlet must be inside the upper cabinet. A B 30" (76. 2 cm) min. 14" (35. 6 cm) max. D E F G 66" (167. 6 cm) min. A. Rectangular to round transition piece: 3 " x 10" to 6" = 5 ft (8. 3 x 25. 4 cm to 15. 2 cm = 1. 5 m) B. 90° flat elbow: 3 " x 10" = 10 ft (8. 3 x 25. 4 cm = 3 m) 6" (15. 2 cm) vent system = 73 ft (22. 2 m) total A 6 ft (1. 8 m) B A. 2 ft (0. 6 m) + 6 ft (1. 8 m) straight = 8 ft (2. 4 m) *30" (76. 2 cm) is typical for 66" (167. 6 cm) installation height. Exact dimensions may vary depending on type of range/cooktop below. C D Rectangular to Round Transition for Roof Venting NOTE: The minimum 3" (7. 6 cm) clearance must exist between the top of the microwave oven and the rectangular to round transition piece so that the damper can open freely and fully. 3 " x 10" (8. 3 x 25. 4 cm) vent system = 73 ft (22. 2 m) total A 6 ft (1. 8 m) B A 2 ft (0. 6 m) B C C D A. One 3 " x 10" (8. 3 x 25. 4 cm) 90° elbow = 25 ft (7. 6 m) B. 2 ft (0. 6 m) + 6 ft (1. 8 m) straight = 8 ft (2. 4 m) E 3" (7. 6 cm) F A. [. . . ] For complete details, see Installation Instructions packed with product. [. . . ]